<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>私有属性</title>
</head>
<body>
  <script>
    class Person{
      //公有属性
      name;
      //私有属性
      #age;
      #weight;
      constructor(name,age,weight){
        this.name = name;
        this.#age = age;
        this.#weight = weight;
      }
      intro(){
        console.log(this.name);
        console.log(this.#age);
        console.log(this.#weight);
      }
    }

    //实例化
    const girl = new Person('晓红',18,'45kg');
    
    // console.log(girl);
    // console.log(girl.name);

    girl.intro()

  </script>
</body>
</html>